20814287

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 23761920

約数和(自身を除く): 2947633

約数列:

[1, 13, 23, 67, 299, 871, 1039, 1541, 13507, 20033, 23897, 69613, 310661, 904969, 1601099, 20814287]

約数ペア:

[(1, 20814287), (13, 1601099), (23, 904969), (67, 310661), (299, 69613), (871, 23897), (1039, 20033), (1541, 13507)]